Communicating with Code

One of the original Gmail authors on benefits of using prototypes and the
ease of developing those prototypes (rather than slick presentations),
http://paulbuchheit.blogspot.com/2009/01/communicating-with-code.html
One of the wins IMO with Perl is how quickly you can bang something out that
does useful work (esp. on the command line!), whether for a demonstration or
actually solving the problem right there.
P